# COs Manage Vendor Preferences in Contracting

Government contracting officers (COs) emphasize that published solicitations generally do not predetermine vendors except in justified sole source procurements, maintaining compliance with competition and fairness requirements. While project managers and contracting officer representatives (CORs) may have preferred vendors based on incumbent performance or technical familiarity, COs implement rigorous oversight and justification processes to ensure objective evaluation and adherence to procurement regulations. This dynamic reflects the practical balance between market research, competition, and operational realities in federal contracting, particularly within the Defense Department.

- **Why this matters:** Procurement professionals should understand that while vendor preferences can influence requirements, COs are responsible for safeguarding competition and fairness through documented justifications and evaluation transparency.
- Contracting officers and program managers must collaborate closely to align technical requirements with competitive procurement principles, minimizing risks of bias.
- Industry stakeholders should recognize that incumbent advantages exist but are subject to strict oversight, highlighting the importance of demonstrating technical merit and compliance in bids.
- This insight informs procurement planning by emphasizing the need for clear documentation and justification when sole source or limited competition approaches are considered.

**Jurisdictions:** federal
**Industries:** Defense & Military
**Topics:** Regulatory Compliance
**Published:** September 18, 2026

### Government Entities
- Defense Department (DoD)

### Key Quotes
> As CO, never. My customers sometimes did and if I knew they were biased toward that vendor I'd be extra careful and make them justify their technical rating if they ended up w the winning bid.
> — Commenter

> Well, I’m on a large sole source Defense program so all of them lol.
> — Original poster

### Sources
- [CO's - be honest: How many of the contracts you publish already have a vendor in mind?](https://www.reddit.com/r/1102/comments/1wjtr84/cos_be_honest_how_many_of_the_contracts_you) - reddit-1102