April 18 (Reuters) - Sigma Labs Inc
* Sigma labs wins contract with solar turbines incorporated
* Sigma labs inc - announced that it has received a contract from solar turbines incorporated, a subsidiary of caterpillar inc.
* Sigma labs inc - sigma labs will initially install its printrite3d software on a 3d systems' prox300 machine
* Sigma labs - solar turbines to implement sigma labs' in-process quality assurance™ (ipqa®) technology for production of gas turbine components Source text for Eikon: Further company coverage: