Key facts
- Notable investors include SCF Partners, Apollo Global Management (New York), Sallyport.
- Status: Privately Held (backing).
- ·The complete investor list — 3 names
- ·Watchlist + deal alerts for T.D. Williamson
- ·The full record, as it builds
Funding rounds
No funding rounds for T.D. Williamson are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About T.D. Williamson
Manufacturer of pipeline equipment designed to serve the gathering, transmission, and distribution sectors of the pipeline industry. The company provides services for onshore applications and offers pigging products such as pipeline pigs, launching components, quick opening closures and pig passage indicators, enabling clients to get safe and durable products.
- Sector
- Energy
- HQ
- Tulsa, OK, United States
- Founded
- 1920
- Employees
- 1,860
- Website
- tdwilliamson.com/
- Ownership
- Privately Held (backing)
T.D. Williamson doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in T.D. Williamson shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on T.D. Williamson in its N-PORT filings yet. We sweep new filings monthly.