Liberty Star Uranium and Metals Corp (LBSR)

[StealthSwimmer]

If I had to guess I'd say these guys:

Based on this article: Still-years-away-from-development-the-fight-heats-up-over-Pebble-Mine

Brian McNulty, a project geologist at Pebble since 2007, helps study about 400 feet of core samples that are extracted from the deposit each day. After on-site workers take a look at the samples, they’re shipped to Fairbanks for assaying. From there, a sample is sent to Vancouver, British Columbia for metals analysis.

Searching Fairbanks for Assay labs these guys seem like the likely company. The other one I found looked like a small time operation

Alaska Assay Laboratories Llc
1921 Sanduri St
Fairbanks, AK 99701-7464
[phone]

www.alaskaassays.com

AHK Geochem situated in Fairbanks, the heart of the precious and base metal exploration and mining districts of Alaska, is an independent facility providing geochemical laboratory services to the mining sector, fully accredited to ISO 17025.

AHK Geochem forms part of the Alfred H. Knight (AHK) group. AHK is a private company established for almost 130 years, renowned for providing reliable inspection, analytical and general support services to the mineral and metal industries worldwide.

Our services in Alaska, cover sample preparation, analysis and metallurgical testing of soil, sediment, rock chip as well as reverse circulation and drill core samples. Through our modern customized Laboratory Information Management System (LIMS) we are able to collect, monitor and report results directly to our clients in various data formats, as requested. Other services on offer include satellite sample preparation facilities, mine-site laboratory development and/or management.