About Diamond M Drilling

About Diamond M Drilling

Bill Maxwell, founder of Diamond M Drilling Inc, started out in the oil fields in 1978 as a roughneck.  In 1980 he moved into the water well drilling industry learning under a seasoned water well contractor.  Bill started his first business, Maxwell Pump & Supply in 1985 installing and repairing pump systems.  He added his first drill rig to the business in 1988.  Diamond M Drilling Inc was started in 1999 based out of Bozeman with his eldest son Donnie.  In 2012 Diamond M Drilling Inc branched out into North Dakota and today Donnie is running Diamond M Drilling Inc Montana and Bill is running Diamond M Drilling Inc North Dakota.

Donnie Maxwell
Vice President

Donnie Maxwell is the vice president of Diamond M Drilling Inc with 15 years as a licensed Montana Water Well Driller, Lic #132.  He has been on the rig with his dad since he was 7.  He also holds a North Dakota Water Well Drillers license.
Donnie@diamondmdrilling.com 

Bill Maxwell
President

Bill Maxwell is the president of Diamond M Drilling Inc with 34 years of water well industry experience.  He holds a Montana Water Well Contractor’s license #597, which is also the monitor drilling license.  He holds a North Dakota Water Well Contractor’s license #200, and is also a licensed pitless installer.

Bill@diamondmdrilling.com 

Marilyn Maxwell
Office Manager

Marilyn Maxwell is the office manager and treasurer of Diamond M Drilling Inc and works with Bill in the field in ND.
Marilyn@diamondmdrilling.com