Company Team


David Tiernan


A background as a commercial builder, and small business owner over 40 years. David has built a reputable team in Gunnedah covering a variety of services. As an experienced plant operator, he takes a hand’s on approach with the business.

Portfolio covering Building & Construction Developers, NSW State Services, Environmental Consultants, Small Business and Investors.


Michelle Keating


With Sales Administration and office automation experience with International and Australian companies in various roles in diverse industries.

She has gained valued knowledge of customer service, procurement, project roll outs, and WHS and is now applying it in her role as support to the small business team.


Warren Stengert


Warren has been a Motor Repairer since 1976 in the Barwon and Liverpool Plain region. He became skilled in air-conditioning, field service and as a Workshop Foreman.

Initially hired as a Plant Mechanic 5 years ago, it was seen that there was an opportunity for Warren to open the market to a new Mechanic workshop dealing with AIS and HVAIS requirements. In 2013 we began business as a fulltime Authorised Inspection station and repair shop, building it to today’s high standard of productivity.


Phillip Miegel


Phill has been with the company since basic inception in 2008 as a Plant Operator mainly licensed to operate our Bobcat and Tipper combination and Mini Mix Truck.

He has experience with site rehabilitation and commissioning of new works, site preparation, vegetation control and concrete works.

Currently certified for Traffic Control and Planning and Gas Atmosphere Detection.

Contacting GMC

Gunnedah Mechanical & Crane Pty Ltd
Address: 10143 Kamilaroi Highway, Gunnedah, NSW, 2380
Phone: (02) 6742 4388
FAX: (02) 6742 4383
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