Harford Safety Management Inc. has provided services to many companies in Maryland , Delaware , Pennsylvania, and Virginia. The following is a list of companies.

• Maryland Paving, Inc., Aberdeen, MD
• Jerry Preston Hauling, Inc., Jarrettsville, MD
• Quality Trucking, Inc., Baltimore, MD
• Ritz Cartage Co., Inc., Belcamp, MD
• Patuxent Materials, Inc. Crofton, MD
• Sykesville Transport, LLC. Sykesville, MD
• L. G. Almony & Sons, Inc., Street, MD
• Gray & Son, Inc., Butler, MD
• Facchina Construction Co., Inc., LaPlata, MD
• Dump Truck & Leasing, LLC Aberdeen, MD
• Rhoten & Sons Landscaping, Inc., Jarrettsville, MD
• Hawkins Brothers Construction, Inc., Aberdeen, MD
• Ivy Hill Nursery Co., Inc., Bel Air, MD
• Auston Contracting, Inc., Joppa, MD
• Ruppert Nursery Laytonsville, MD
• DB Concrete, Inc. Annapolis Jct, MD
• T. J. Angelozzi Woodbine, MD
• D. A. Landis Trucking, Inc., Lancaster, PA
• Accu-crete, Inc., Alexandria, VA
• Nazcon, Inc., Beltsville, MD
• Ground Covers Unlimited, Inc., Joppa, MD
• Edwards Construction, Inc., Rising Sun, MD
• B & D Trucking, Inc., Rising Sun, MD
• Twin Enterprises, Pasadena, MD
• Towncreek Landscaping, Inc. Clarksville, MD
• D. L. Sanborn Concrete Jarrettsville, MD
• Olney Masonry Corporation, Beltsville, MD
• Humpty Dumpsters Forest Hill, MD
• Groomlawn Adamstown, MD
• Countryside Landscaping Glenwood, MD
• IKE Management, Inc. Harrisburg, PA
• Harmony Construction, Inc. Newport, DE
• Corporate Occupational Health Services, Frederick, MD
• Price Trucking, Inc., Aberdeen, MD
• Baltimore Pile Driving and Marine Construction, Inc., White Hall, MD
• Carroll L. Gross, Jr., Westminster, MD
• Parker’s Express, Inc., Newark, DE
• Atlantic Tractor, LLC, Whiteford, MD
• Deer Creek Equipment, Inc., Whiteford, MD
• Atlantic Vehicle Transport, Inc., Bel Air, MD
• James C. Wilson Excavating, Inc., Forest Hill, MD
• CEM Trans, Inc., Baltimore, MD
• Gradeline Construction Co., Inc., Baltimore, MD
• S & G Concrete, Inc., Edgewood, MD
• Hemaco Management, Inc., Aberdeen, MD
• Florida Rock Industries, Springfield, VA
• Jewel Enterprises, Inc., White Hall, MD
• Coblentz Electric, Inc., Jefferson, MD
• BSC America, Inc., Bel Air, MD
• Mobile Space Transport, Inc., Whiteford, MD
• McFall & Berry Landscapes, Inc., Brookeville, MD
• Frazier CATV Construction Co., Inc.
• Denison Landscaping, Inc., Ft. Washington, MD
• Aldino Sod Farms, Churchville, MD
• J. T. Patton & Sons, Inc., Silver Spring, MD
• McHenry Equipment, Inc., Frederick, MD
• Bel Air Auto Auction, Bel Air, MD
• Baum Excavating Co., Inc., Forest Hill, MD
• Decker Enterprises, Inc., Cockeysville, MD
• Putman Plumbing & Heating, Inc., Middletown, MD
• Pugs Fuel Oil Service, Inc., Baltimore, MD
• Omega Medical Center, New Castle, DE
• N. W. Workman Trucking, Inc., Port Deposit, MD
• Murphy Transport, Inc., Greensboro, MD
• Craigtown Auto, Inc., Port Deposit, MD
• C & C Utility Service, Inc., Woodbine, MD
• C. Nagle Trucking, Inc., Vienna, MD
• Fox Trucking, Inc., Easton, MD
• USA Oil Refining, Elkton, MD
• Law Offices of Andrew Bederman, Silver Spring, MD
• Law Offices of Kevin Finnigan, Silver Spring, MD
• Burt Trucking, LLC, Elkton, MD
• Choptank Freight Lines, Inc., Preston, MD
• Megamix Corporation, Baltimore, MD
• L & W Trucking, Inc., Preston, MD
• Fiberco, Inc., Linthicum Heights, MD
• D & K Graham Trucking, Inc., Christiana, PA
• A2Z Environmental Group, Joppa, MD
• Bowen & Kron Enterprises, Inc., Baltimore, MD
• C. Brown Trucking, Inc., White Marsh, MD
• W. B. Evans Contracting,
• Inc., Bear, DE