PSC codes › Q521
PSC Q521 — Pulmonary Services: federal contracts
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What PSC Q521 covers
Description: Pulmonary Services
Includes: Pulmonary medicine
Excludes: Otolaryngology (Q514); Cardiology (Q502)
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Medical › Healthcare Services.
Who is winning new PSC Q521 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| R KEITH ENTERPRISES INC | $10.7M | 6 |
| MILLBROOK SUPPORT SERVICES INC | $5.9M | 20 |
| ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC | $5.5M | 1 |
| GHOST RX INC. | $2.8M | 3 |
| UNIVERSITY OF WASHINGTON | $2.2M | 1 |
| TDY MEDICAL STAFFING INC | $2.1M | 2 |
| GOLDFISH LOCUMS, LLC | $1.9M | 2 |
| DILLIGAS CORP | $1.6M | 1 |
| PDQ HEALTH SERVICES, LLC | $1.4M | 1 |
| PROMETHEUS FEDERAL SERVICES LLC | $1.0M | 2 |
How competitive is PSC Q521?
- 64.1% of obligations on these awards were competed.
- 59.3% of competed awards that report offers drew a single offer (n=27).
- 80.5% went to small businesses.
- The five largest contractors hold 65.8% across 30 contractors.
NAICS codes used on PSC Q521 awards
| NAICS | Industry | Share |
|---|---|---|
| 561320 | Temporary Help Services | 34.6% |
| 621399 | Offices of All Other Miscellaneous Health Practitioners | 25.9% |
| 622110 | General Medical and Surgical Hospitals | 17.3% |
| 621111 | Offices of Physicians (Except Mental Health Specialists) | 9.2% |
| 611310 | Colleges, Universities, and Professional Schools | 5.7% |
| 339112 | Surgical and Medical Instrument Manufacturing | 1.9% |
| 532283 | Home Health Equipment Rental | 1.7% |
| 332510 | Hardware Manufacturing | 1.1% |
Related PSC codes
Q999 Other Medical Services · Q522 Radiology Services · Q201 Medical: Managed Healthcare · Q301 Reference Laboratory Testing · Q401 Nursing · Q702 Technical Medical Support · R499 Other Professional Services · Q517 Pharmacy Services
Win PSC Q521 work with FedSift
- Matched to your company — PSC Q521 solicitations ranked against your capabilities, NAICS and certifications, with a fit score for each
- A compliance matrix from the package — every requirement in the attachments, each cited to its page
- A pipeline that watches the dates — question cutoffs and response deadlines from what the notice states, amendments and new versions as they post
- The market behind the code — buyers by contracting office, who is entering, adjacent codes and contracts coming up for recompete
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