Company Directory

Tidewater & Sierra Nevada, Inc.

Located in Laguna Beach, CA

Tidewater & Sierra Nevada, Inc. filed as a Articles of Incorporation in the State of California and is no longer active. This corporate entity was filed about forty-seven years ago on Tuesday, May 29, 1979 according to public records filed with California Secretary of State.

People: Nora Higgins

Tidewater Services Company

Tidewater Services Company filed as a Domestic Corporation in the State of Nevada and is no longer active. This corporate entity was filed about twenty-nine years ago on Friday, September 19, 1997 according to public records filed with Nevada Secretary of State.


Tidewater Services Corporation

Tidewater Services Corporation filed as a Foreign For-Profit Corporation in the State of Texas and is no longer active. This corporate entity was filed approximately thirty-nine years ago on Thursday, March 12, 1987 according to public records filed with Texas Secretary of State.


Tidewater Services LLC

Located in Anahuac, TX

Tidewater Services LLC filed as a Domestic Limited Liability Company (LLC) in the State of Texas and is no longer active. This corporate entity was filed approximately eighteen years ago on Wednesday, August 27, 2008 according to public records filed with Texas Secretary of State.

People: Kenneth Storey, Jimmielea Storey

Tidewater Services, Inc.

Tidewater Services, Inc. filed as a Domestic Corporation in the State of Nevada and is no longer active. This corporate entity was filed roughly twenty-five years ago on Friday, May 18, 2001 as recorded in documents filed with Nevada Secretary of State.


Tidewater Services, Inc.

Tidewater Services, Inc. filed as a Domestic Corporation in the State of Nevada on Monday, June 28, 2010 and is approximately sixteen years old, as recorded in documents filed with Nevada Secretary of State.

People: Carl Duraffourd

Tidewater Services, Inc.

Located in Baltimore, MD

Tidewater Services, Inc. filed as a Foreign Business Corporation in the State of New York and is no longer active. This corporate entity was filed roughly thirty years ago on Monday, August 12, 1996 as recorded in documents filed with New York Department of State.

People: David Fisher

Tidewater Services, Inc.

Located in Naples, FL

Tidewater Services, Inc. filed as a Domestic for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed approximately eight years ago on Tuesday, January 9, 2018 as recorded in documents filed with Florida Department of State.

People: Christopher Dees

Tidewater Services, LLC

Located in Fort Lauderdale, FL

Tidewater Services, LLC filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed roughly twenty-six years ago on Thursday, September 14, 2000 as recorded in documents filed with Florida Department of State.

People: Beverly Wilson

Tidewater Services, LLC.

Located in Boca Raton, FL

Tidewater Services, LLC. filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed approximately fifteen years ago on Tuesday, November 8, 2011 according to public records filed with Florida Department of State.

People: Erik Delgado

Tidewater Shores 921, LLC

Located in Bradenton, FL

Tidewater Shores 921, LLC filed as a Florida Limited Liability in the State of Florida on Wednesday, July 12, 2023 and is approximately three years old, according to public records filed with Florida Department of State.

People: Mark Merucci
Past: Kathleen Merucci

Tidewater Shrimp Co. Inc.

Tidewater Shrimp Co. Inc. filed as a Domestic For-Profit Corporation in the State of Texas and is no longer active. This corporate entity was filed approximately sixty-three years ago on Monday, September 23, 1963 as recorded in documents filed with Texas Secretary of State.


Tidewater Shrimp Inc

Located in Tampa, FL

Tidewater Shrimp Inc filed as a Domestic for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed roughly sixty-two years ago on Monday, November 16, 1964 as recorded in documents filed with Florida Department of State.

People: C. Sahlman, William Sandman, Warren Furst

Tidewater Skanska, Inc.

Located in Virginia Beach, VA

Tidewater Skanska, Inc. filed as a Foreign Business Corporation in the State of New York and is no longer active. This corporate entity was filed approximately seventy-five years ago on Wednesday, September 26, 1951 according to public records filed with New York Department of State.

People: Dj Eastwood

Tidewater Solutions Group, LLC

Located in Sarasota, FL

Tidewater Solutions Group, LLC filed as a Florida Limited Liability in the State of Florida on Tuesday, December 26, 2023 and is approximately three years old, according to public records filed with Florida Department of State.

People: Shawn Dunahue, Margaret Dunahue

Tidewater Solutions LLC

Located in Palm Coast, FL

Tidewater Solutions LLC filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed roughly eleven years ago on Monday, July 6, 2015 according to public records filed with Florida Department of State.

People: Stacy Archambault

Tidewater Solutions, Inc

Located in Lake Worth, FL

Tidewater Solutions, Inc filed as a Domestic for Profit Corporation in the State of Florida on Tuesday, December 20, 2022 and is about four years old, according to public records filed with Florida Department of State.

People: Robert Jordan

Tidewater Southern LLC

Located in Norfolk, VA

Tidewater Southern LLC filed as a Florida Limited Liability in the State of Florida on Tuesday, November 10, 2020 and is approximately six years old, according to public records filed with Florida Department of State.

People: Kevin Taylor

Tidewater Southern Mrc, Inc.

Located in Tracy, CA

Tidewater Southern Mrc, Inc. filed as a Articles of Incorporation in the State of California on Monday, May 6, 2019 and is roughly seven years old, as recorded in documents filed with California Secretary of State.

People: David Atwater
Past: Tiffany Barning

Tidewater Southern Railway Company

Located in Sacramento, CA

Tidewater Southern Railway Company filed as a Articles of Incorporation in the State of California and is no longer active. This corporate entity was filed about forty-eight years ago on Tuesday, February 14, 1978 as recorded in documents filed with California Secretary of State.

People: M. Walsh

Tidewater Southern Railway Historical Society, Inc.

Located in Manteca, CA

Tidewater Southern Railway Historical Society, Inc. filed as a Articles of Incorporation in the State of California on Monday, July 27, 1992 and is about thirty-four years old, according to public records filed with California Secretary of State.

People: David Atwater
Past: Benjamin Cantu, Ray Theriault, Steve Fox

Tidewater Southwest, Inc.

Tidewater Southwest, Inc. filed as a Domestic For-Profit Corporation in the State of Texas and is no longer active. This corporate entity was filed about fifty-four years ago on Wednesday, November 29, 1972 according to public records filed with Texas Secretary of State.


Tidewater Specialty, LLC

Located in Garden Ridge, TX

Tidewater Specialty, LLC filed as a Domestic Limited Liability Company (LLC) in the State of Texas on Tuesday, September 11, 2007 and is approximately nineteen years old, according to public records filed with Texas Secretary of State.

People: James Deitch, Elizabeth Deitch, Katrina Deitch

Tidewater Sportfishing Corporation

Located in Fort Lauderdale, FL

Tidewater Sportfishing Corporation filed as a Domestic for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed approximately forty-four years ago on Tuesday, December 28, 1982 as recorded in documents filed with Florida Department of State.

People: Douglas Williams

Tidewater Sportfishing Inc.

Located in Woodbury, NY

Tidewater Sportfishing Inc. filed as a Domestic Business Corporation in the State of New York and is no longer active. This corporate entity was filed roughly twenty-four years ago on Thursday, February 14, 2002 as recorded in documents filed with New York Department of State.

People: Edward Becker

Tidewater Staffing Solutions LLC

Located in Saint Petersburg, FL

Tidewater Staffing Solutions LLC filed as a Florida Limited Liability in the State of Florida on Thursday, September 12, 2024 and is roughly two years old, according to public records filed with Florida Department of State.


Tidewater Staffing, Inc.

Located in Chesapeake, VA

Tidewater Staffing, Inc. filed as a Foreign for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed about thirty years ago on Wednesday, October 23, 1996 as recorded in documents filed with Florida Department of State.

People: Mark Prock, Jay Prock, Steve O'Neil
Past: Beth Callahan, Donald Warner, Sharon Lane

Tidewater Stevedore & Wharf Corporation

Tidewater Stevedore & Wharf Corporation filed as a Foreign for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed about eighty-seven years ago on Thursday, July 6, 1939 according to public records filed with Florida Department of State.


Tidewater Stevedore & Wharf Corporation

Tidewater Stevedore & Wharf Corporation filed as a Foreign For-Profit Corporation in the State of Texas and is no longer active. This corporate entity was filed about eighty-seven years ago on Thursday, July 6, 1939 according to public records filed with Texas Secretary of State.


Tidewater Studios LLC

Located in Saint Augustine, FL

Tidewater Studios LLC filed as a Florida Limited Liability in the State of Florida on Thursday, September 5, 2013 and is about thirteen years old, as recorded in documents filed with Florida Department of State.

People: Thomas Walters

Tidewater Subsea, L.L.C.

Located in New Orleans, LA

Tidewater Subsea, L.L.C. filed as a Foreign Limited Liability Company (LLC) in the State of Texas on Tuesday, December 3, 2013 and is roughly thirteen years old, according to public records filed with Texas Secretary of State.

People: Jeffrey Platt, Quinn Fanning, Bruce Lundstrom

Tidewater Sun LLC

Located in San Jose, CA

Tidewater Sun LLC filed as a Florida Limited Liability in the State of Florida on Thursday, March 16, 2023 and is roughly three years old, according to public records filed with Florida Department of State.

People: Alex Rosenberg

Tidewater Sun, LLC

Located in Kissimmee, FL

Tidewater Sun, LLC filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed about twenty years ago on Friday, August 11, 2006 according to public records filed with Florida Department of State.

People: Jim Ortenzio

Tidewater Supply Company

Located in Pittsburgh, PA

Tidewater Supply Company filed as a Foreign for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed roughly forty-eight years ago on Friday, February 17, 1978 according to public records filed with Florida Department of State.

People: K. Garrity, L. Moncrief, T. Evans

Tidewater Supply Inc.

Located in Bohemia, NY

Tidewater Supply Inc. filed as a Domestic Business Corporation in the State of New York and is no longer active. This corporate entity was filed about twenty-seven years ago on Thursday, March 11, 1999 according to public records filed with New York Department of State.


Tidewater Supply, Inc.

Located in Reno, NV

Tidewater Supply, Inc. filed as a Domestic Corporation in the State of Nevada and is no longer active. This corporate entity was filed approximately twenty-six years ago on Thursday, April 20, 2000 according to public records filed with Nevada Secretary of State.

People: Paul Sowa
Past: Paul Soma

Tidewater Surgical, Inc

Located in Dallas, TX

Tidewater Surgical, Inc filed as a Domestic For-Profit Corporation in the State of Texas on Friday, March 6, 2020 and is roughly six years old, as recorded in documents filed with Texas Secretary of State.

People: Thomas Kirk, Mark Russell
Past: Rohan Saikia

Tidewater Surveying, Inc

Located in Tampa, FL

Tidewater Surveying, Inc filed as a Domestic for Profit Corporation in the State of Florida on Monday, June 12, 2023 and is roughly three years old, according to public records filed with Florida Department of State.

People: Stephen Bostwick, Lisa Bostwick

Tidewater Tailgating LLC

Located in Freeport, FL

Tidewater Tailgating LLC filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed about ten years ago on Monday, August 29, 2016 according to public records filed with Florida Department of State.

People: Joshua Newton

Tidewater Technical Services, Inc.

Located in Syracuse, NY

Tidewater Technical Services, Inc. filed as a Domestic Business Corporation in the State of New York and is no longer active. This corporate entity was filed roughly eighty years ago on Thursday, January 31, 1946 as recorded in documents filed with New York Department of State.

People: Raynor Parker

Tidewater Technologies LLC

Located in Buena Park, CA

Tidewater Technologies LLC filed as a Domestic in the State of California and is no longer active. This corporate entity was filed roughly twenty years ago on Sunday, January 1, 2006 as recorded in documents filed with California Secretary of State.

People: William Schneider

Tidewater Technologies LLC

Located in Houston, TX

Tidewater Technologies LLC filed as a Domestic Limited Liability Company (LLC) in the State of Texas on Tuesday, October 13, 2020 and is roughly six years old, as recorded in documents filed with Texas Secretary of State.

People: Kedrick Lyons

Tidewater Tees. Ltd.

Located in Henderson, NV

Tidewater Tees. Ltd. filed as a Domestic Corporation in the State of Nevada and is no longer active. This corporate entity was filed about twenty-two years ago on Thursday, September 9, 2004 as recorded in documents filed with Nevada Secretary of State.

People: Joseph Connelly, Jeanne Connelly

Tidewater Temps of Texas, Inc.

Located in Houston, TX

Tidewater Temps of Texas, Inc. filed as a Domestic For-Profit Corporation in the State of Texas and is no longer active. This corporate entity was filed about thirty-three years ago on Friday, November 12, 1993 as recorded in documents filed with Texas Secretary of State.

People: Mark Prock

Tidewater Terminals Co., Inc.

Tidewater Terminals Co., Inc. filed as a Articles of Incorporation in the State of California and is no longer active. This corporate entity was filed approximately seventy-three years ago on Friday, March 6, 1953 according to public records filed with California Secretary of State.


Tidewater Texas LLC

Located in Sugar Land, TX

Tidewater Texas LLC filed as a Domestic Limited Liability Company (LLC) in the State of Texas and is no longer active. This corporate entity was filed roughly six years ago on Thursday, August 13, 2020 according to public records filed with Texas Secretary of State.

People: Faraz Hemani

Tidewater Tile & Remodeling LLC

Located in Heathrow, FL

Tidewater Tile & Remodeling LLC filed as a Florida Limited Liability in the State of Florida and is no longer active. This corporate entity was filed roughly seven years ago on Thursday, June 6, 2019 according to public records filed with Florida Department of State.

People: Christopher Masten

Tidewater Timber Corporation

Located in Poquoson, VA

Tidewater Timber Corporation filed as a Domestic for Profit Corporation in the State of Florida and is no longer active. This corporate entity was filed approximately twenty-eight years ago on Tuesday, January 27, 1998 according to public records filed with Florida Department of State.

People: Michael Maguire
Past: Jenny Maguire

Tidewater Timber Pointe Gp, LLC

Located in Tomball, TX

Tidewater Timber Pointe Gp, LLC filed as a Domestic Limited Liability Company (LLC) in the State of Texas on Friday, January 22, 2021 and is about five years old, as recorded in documents filed with Texas Secretary of State.

People: Jeffrey Gannon

Tidewater Service Corporation

Located in Virginia Beach, VA
People: Mark Milstead, Anne Milstead, Anette Keenan

Tidewater Seventh Day Adventist Church

Located in Virginia Beach, VA
People: Allan Tirol, Ely Magpanog, Teresa Murphy
Past: Prosdero Miranda, Richard Bankhead, Haggai Abuto

Tidewater Sew & Vac Inc

Located in Virginia Beach, VA
People: Joseph Strange, Eric Tate, Jeanette Longmore
Past: Linda Wiseman, Bruce Parsons, Laura Cooley

Tidewater Sew & Vac Inc

Located in Newport News, VA
People: Lance Norris
Past: Corey Parker

Tidewater Sew-Vac, Incorporated

Located in Virginia Beach, VA
People: Joseph Strange, Eric Tate
Past: Jacqueline Decker, Daniel Imboden, Frank Looyd

Tidewater Sew-Vac, Incorporated

Located in Norfolk, VA
Past: Myra May

Tidewater Shooting Supplies Inc

Located in North Bend, OR
People: Steven McMullan

Tidewater Siding Constr

Located in Warner Robins, GA
People: Jerry Purtee

Tidewater Signs and Graphix, Inc.

Located in Hampton, VA
Past: Fred Sparrow, Christine Hayes

Tidewater Signworks Inc

Located in Norfolk, VA
People: Robert Wood

Tidewater Sitting Service LLC

Located in Virginia Beach, VA
People: Carol Matthews

Tidewater Skanska

Located in Charlotte, NC

Tidewater Skin Care

Located in Kitty Hawk, NC
Past: Padman Menon, Kenneth Tompkins, Tim Jackson

Tidewater Skin Care Pathology

Located in Elizabeth City, NC

Tidewater Small Business Solutions, Inc.

Located in Virginia Beach, VA
People: Judith Jones

Tidewater Small Craft, LLC

Located in Williamsburg, VA
Past: Benjamin Gwaltney

Tidewater Smart Energy LLC

Located in West Palm Beach, FL

Tidewater Smiles, Inc.

Located in Mobile, AL
People: Kristofer Terry

Tidewater Smoke & Odor Control

Located in Virginia Beach, VA
People: Jimmy Savin

Tidewater Snack Company

Located in Virginia Beach, VA

Tidewater Soaring Foundation

Located in Smithfield, VA
Past: William Laine, Paul Ruehrmund, Linda Mathias

Tidewater Soaring Society

Located in Smithfield, VA
Past: Bud Klaser

Tidewater Soccer Association

Located in Amelia Court House, VA

Tidewater Soccer Camp, L.L.C.

Located in Williamsburg, VA

Tidewater Soda Blasting LLC

Located in Virginia Beach, VA

Tidewater Software Solutions, LLC

Located in Chesapeake Beach, MD

Tidewater Software Studios

Located in Destin, FL
People: Howard Hart

Tidewater Soil & Water Conservation District

Located in Gloucester, VA
People: Staci Merkt

Tidewater Solar Energy LLC

Located in Chicago, IL
People: Mark Geibel

Tidewater Speech Therapy, LLC

Located in Norfolk, VA
Past: Elizabeth Williams

Tidewater Speech Therapy, LLC

Located in Virginia Beach, VA

Tidewater Spinal Consultants, Inc.

Located in Virginia Beach, VA
People: Nicole Sibiga

Tidewater Spine Institute, LLC

Located in Chesapeake, VA

Tidewater Sports

Located in Virginia Beach, VA
Past: H. Curtis

Tidewater Sports & Osteopathic Medicine

Located in Chesapeake, VA
People: Saunora Prom

Tidewater Sports & Social Club, LLC

Located in Virginia Beach, VA

Tidewater Sports International, Inc.

Located in Virginia Beach, VA

Tidewater Sports Mangagement

Located in Hampton, VA

Tidewater Sports Officials Association

Located in Virginia Beach, VA
People: Paul Lee

Tidewater Sports Report

Located in Smithfield, VA
People: Phillip Hines

Tidewater Staffing Inc

Located in Virginia Beach, VA
People: Steve Owens
Past: Moore Noa, Jerry Baker

Tidewater Stalls & Specialties, LLC

Located in Virginia Beach, VA

Tidewater Stampcrete

Located in Chesapeake, VA

Tidewater Storage Trailer Rentals Inc

Located in Wilmington, NC
People: Roger Cando, Tomy Eakes, Burt Sampson

Tidewater Strategy Group

Located in Virginia Beach, VA
Past: David Brown

Tidewater Street Rod Association

Located in Hampton, VA

Tidewater Strength and Fitness, LLC

Located in Poquoson, VA

Tidewater Striders

Located in Virginia Beach, VA

Tidewater Structures

Located in Virginia Beach, VA
People: Maria Honeycutt

Tidewater Studios for The Arts Inc

Located in Portsmouth, VA
People: Jessica Jones-Healey

Tidewater Stump Removal

Located in Virginia Beach, VA
Past: Greg McElvee

Tidewater Subsea, L.L.C.

Located in Houston, TX

Tidewater Subway Inc

Located in Chesapeake, VA

Tidewater Supermarket Inc

Located in Fredericksburg, VA
Past: James Werdebaugh, Toni Werdebaugh, Toni Beasley

Tidewater Supply and Distribution LLC

Located in Chesapeake, VA

Tidewater Supply Company

Located in Huntington, WV

Tidewater Supply Company, Inc.

Located in Norfolk, VA

Tidewater Supply Solutions Inc.

Located in Norfolk, VA

Tidewater Surgical Assistant Inc.

Located in Virginia Beach, VA
Past: Scott Bracken

Tidewater Surgical Specialists Inc

Located in Chesapeake, VA
People: Renato Ramirez, Sandra Johnston, Eugene Chang
Past: Hershel Vargas, Paige Orgnon, David Spencer

Tidewater Surgical, LLC

Located in Norfolk, VA
Past: Gregory Adams

Tidewater Systema Russian Martial Art, LLC

Located in Suffolk, VA

Tidewater Tactical

Located in Virginia Beach, VA
Past: John Zontini

Tidewater Tai Chi Center

Located in Norfolk, VA
People: Donald Davis

Tidewater Tank

Located in Virginia Beach, VA

Tidewater Tans LLC

Located in Chesapeake, VA

Tidewater Tasty Foods Inc

Located in Norfolk, VA
People: Phillip Prewitt

Tidewater Tattoo Studio

Located in Elkton, MD
People: Robert Massimiano

Tidewater Tax Collection Services LLC

Located in Newport News, VA

Tidewater Taxi, LLC

Located in Easton, MD

Tidewater Taxidermy

Located in Marydel, MD

Tidewater Teacher Supply, LLC

Located in Virginia Beach, VA

Tidewater Teachers Tax Services

Located in Virginia Beach, VA
People: Andrea Hedgepeth

Tidewater Team LLC

Located in Southport, NC

Tidewater Technical Coatings

Located in Virginia Beach, VA
Past: Cecilia Hess, Barry Hess

Tidewater Technologies, Inc.

Located in Leland, NC
People: Angela Alden, Weston Clemmons

Tidewater Technologies, LLC

Located in Coolidge, GA

Tidewater Technology Group Inc

Located in Moyock, NC
Past: Todd Channels, Gordon McPheter

Tidewater Technology Solutions

Located in Norfolk, VA

Tidewater Technology, L.L.C.

Located in Lee, NH
Past: Steven Gagnon

Tidewater Tees

Located in Virginia Beach, VA
People: Joseph Connelly

Tidewater Tees Inc

Located in Richmond, VA
People: Herbert Farrar
Past: Dan Titus

Tidewater Teez Inc

Located in Newport News, VA
People: Pam Moore-Hager

Tidewater Teez Inc

Located in Yorktown, VA

Tidewater Telecom

Located in Augusta, ME

Tidewater Telecom Inc

Located in Nobleboro, ME
People: Shirley Manning, Cathy Pelletier, Louis Rector
Past: James Sanborn, Laurence Keith, Nick Winchester

Tidewater Telephone Employees Credit Union

Located in Virginia Beach, VA
Past: Michelle Nealy

Tidewater Temps Inc

Located in Chesapeake, VA
People: Mark Prock

Tidewater Tennis Center Inc

Located in Norfolk, VA
People: Michael Mustgrave, Dean Ives
Past: Scott Larson, Carolyn Shrewsberry

Tidewater Tennis Ctr

Located in Portsmouth, VA
People: Michael Mustgrave

Tidewater Terminal Co

Located in Troutdale, OR
Past: Gary Stonewall

Tidewater Terminal Company

Located in Clarkston, WA
People: Patrick Jensen

Tidewater Terminal Company Inc

Located in Pasco, WA
People: Dennis Vicker, Steve Frasier, Steven Frasher
Past: Milton Porter, Gordon Carll

Tidewater Terminal Inc

Located in Providence, RI
People: David Cohen, Russell Cohen
Past: Joel Cohen, Lance Bli

Tidewater Termite & Repair

Located in Chesapeake, VA
People: Mike Page
Past: Terry Custer, Vonda Chappell

Tidewater Testing Services LLC

Located in Tilghman, MD

Tidewater Testing Services, Inc.

Located in Surry, VA
People: Joseph Riley

Tidewater Textile Recycling LLC

Located in University Heights, OH

Tidewater Therapeutic Afterschool Program

Located in Hampton, VA

Tidewater Therapy for Children

Located in Chesapeake, VA
People: Susan Antonik, Jessica Dupree

Tidewater Thoracic and Cardiovascular Ltd

Located in Newport News, VA
People: William Old, Christine Daley, Steven Scott
Past: Jackie Bayliss

Tidewater Timber

Located in Poquoson, VA
People: Michael Maguire

Tidewater Timber Products

Located in Walterboro, SC

Tidewater-Sovereign Consulting Jv

Located in Elkridge, MD

Tidewater-Sovereign Jv

Located in Columbia, MD
People: David Morrill

Tidewater-Spectrum Jv

Located in Columbia, MD

Tidewater-Tetra Jv

Located in Columbia, MD