Carrier profile · USDOT 2801428 · Updated Jul 18, 2026

CYLINDER SALES AND TESTING LLC

DBA COASTAL HYDROTESTING

4 power unitsavg 6.8 yrRegional · 4 statesBATON ROUGE, LA100/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksraymondmartin.comFMCSA SAFERCallEmail

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (2 trucks · 4 carriers)
Across all inspections on record: USDOT 293150USDOT 1277152USDOT 192464USDOT 342800

Shares a registration email domain with other carriers

@raymondmartin.com — 20 carriers: USDOT 495929USDOT 651637USDOT 888850USDOT 972884USDOT 1070200USDOT 1196809USDOT 1310825USDOT 1314124

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)4
Observed (24 mo)5
Shared w/ other carriers2

Registered and roadside-observed capacity are broadly consistent.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
3AKJHLDV2RSUY962735Mar 6, 2024Jun 3, 2026
4V4NC9EH8PN33050433Jun 12, 2025Feb 23, 2026

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 20 related authorities · joined by email domain

Authorities
20
Combined power
211
States
7
Oldest authority
Aug 26, 1992
Active now
16

Affiliated entities· hover to preview

IWS GAS AND SUPPLY LTDINDUSTRIAL WELDING & TOOL SUPPLY LTDSOUTHERN GAS AND SUPPLY OF BIRMINGHAMNI WELDING SUPPLY LLCBR WELDING SUPPLY LLCINDUSTRIAL WELDING SUPPLY OF HOUMA LTDSOUTHERN GAS AND SUPPLY INCSOUTHERN GAS AND SUPPLY OF MS INC