Tully, Sons and Co
of Newark, gas engineers and contractors
c.1926 Company formed, presumably successor to Tully Gas Plants
1929 The directors of Lerwick Gas Co., Ltd., decided to introduce an extensive new gas plant of the most up-to-date type, the company having entered into a contract with Messrs Tully, Sons, & Co., Ltd., to introduce their coal-gas plant.[1]
1940 Advertising for draughtsman[2]