McK-TECH Services, based in Aiken, South Carolina, is a woman-owned small business providing technical consulting services in physical security planning.  President Sandra McKnight is responsible for business operations and Vice-president Russell McKnight is responsible for all technical work. The company typically provides consulting services through A-E firms, larger consulting companies or site management contractors. The following is a partial list of clients that McK-TECH Services has supported with security consulting services.

• Battelle Memorial Institute

• Department of Energy National Training Center

• GEM Technology International Inc.

• Johnson Controls Inc.

• Performance Analysis Incorporated

• Science Applications International Corporation

• SCIENTECH, Inc.

• SmithKline Beecham Pharmaceutical

MCK-TECH works primarily at Department of Energy sites with inventories of weapons-grade nuclear material, but also provides security planning services for federal agencies such as U.S. Bureau of Engraving and Printing and Health and Human Services.