How many licensed septic companies are there in Hennessey?

2 businesses give Hennessey as their address on Oklahoma's septic licensing records, alongside 2 individually licensed professionals. That count is of businesses based in Hennessey, not of everyone who will work there — a Oklahoma licence is valid across the state.

Do I have to use a company based in Hennessey?

No. Licensing is statewide, so any licensed company can legally work in Hennessey. Kingfisher County has 3 in total, and companies in neighbouring counties can travel too. Being local usually matters for call-out speed and price, not permission.

How do I check a Hennessey septic company is really licensed?

Every listing here names the record it came from and the date that record was published. To confirm it is still current, check with DEQ's own certified installer list.

Licensed septic companies in Hennessey, Oklahoma

2 businesses on Oklahoma’s septic licensing records give an address in Hennessey, along with 2 individually licensed professionals. Hennessey is in Kingfisher County, which has 3 in total.

Hennessey Septic Tank LLC
(405) 853-1367Hennessey
Installer
Hennessey Septic Tank Service
(405) 853-1367Hennessey
Installer

Licensed septic companies in Hennessey
Company	Licensed for	Phone
Hennessey Septic Tank LLCHennessey	Installer	(405) 853-1367
Hennessey Septic Tank ServiceHennessey	Installer	(405) 853-1367

Individually licensed professionals in Hennessey

Licensed professionals in Hennessey
Name	Licence	City	Expires
Eric Smith	Subsurface absorption · Aerobic with spray dispersalNo. 681	Hennessey	Not stated
Preston Smith	Subsurface absorption · Aerobic with spray dispersalNo. 843	Hennessey	Not stated

More licensed companies elsewhere in Kingfisher County

A Oklahoma licence is valid statewide. These are based in the same county but a different town, and can legally work in Hennessey.

Biggs Backhoe Inc
(405) 373-2530Piedmont
Installer

Other licensed companies in Kingfisher County
Company	Licensed for	Phone
Biggs Backhoe IncPiedmont	Installer	(405) 373-2530

Septic licensing in Hennessey

How many licensed septic companies are there in Hennessey?: 2 businesses give Hennessey as their address on Oklahoma's septic licensing records, alongside 2 individually licensed professionals. That count is of businesses based in Hennessey, not of everyone who will work there — a Oklahoma licence is valid across the state.
Do I have to use a company based in Hennessey?: No. Licensing is statewide, so any licensed company can legally work in Hennessey. Kingfisher County has 3 in total, and companies in neighbouring counties can travel too. Being local usually matters for call-out speed and price, not permission.
How do I check a Hennessey septic company is really licensed?: Every listing here names the record it came from and the date that record was published. To confirm it is still current, check with DEQ's own certified installer list.

Other towns in Kingfisher County

Piedmont2

Records as published August 26, 2026. Report a correction.