NAICS 541990 and PSC R499 contractors in Maryland

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap in Maryland.

Maryland · NAICS 541990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$8,257,841,411

Buyer overlap

Top recipients

Visible recipients in the Maryland overlap of NAICS 541990 and PSC R499

Abt Associates International Inc.

Rockville, MD

Rockville, MD | 2 awards | Top agency Agency for International Development | NAICS 541990

$80,153,108

Digital Infuzion, LLC

Rockville, MD

Rockville, MD | 42 awards | Top agency Department of Health and Human Services | NAICS 541512

$49,937,027

Social & Scientific Systems, Inc.

Silver Spring, MD

Silver Spring, MD | 84 awards | Top agency Department of Health and Human Services | NAICS 541712

$216,511,106

Lcg Systems LLC

Rockville, MD

Rockville, MD | 40 awards | Top agency Department of Health and Human Services | NAICS 541512

$90,269,218

Ellumen, Inc.

Silver Spring, MD

Silver Spring, MD | 52 awards | Top agency Department of Defense | NAICS 541512

$33,824,251

Analytica LLC

Bethesda, MD

Bethesda, MD | 103 awards | Top agency Department of the Treasury | NAICS 541512

$29,459,194

Asrc Federal Data Networx, LLC

Beltsville, MD

Beltsville, MD | 20 awards | Top agency Department of Agriculture | NAICS 541519

$67,912,028

Aitheras LLC

Rockville, MD

Rockville, MD | 45 awards | Top agency Department of Justice | NAICS 541519

$21,161,545

Medical Science & Computing, LLC

Rockville, MD

Rockville, MD | 184 awards | Top agency Department of Health and Human Services | NAICS 541512

$1,557,750,404

Leidos Management Systems Designers, Inc.

Gaithersburg, MD

Gaithersburg, MD | 9 awards | Top agency Department of the Treasury | NAICS 443120

$158,396,496

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