Research and Development for the GSA

support the growing needs of its commercially driven client base.
Lark is a full reporting public company as defined by the Securities and Exchange Commission.
Lark Technologies Inc. has traded on the OTC bulletin board under the symbol LRKT since
January of 1996.
SeraCare BioServices
Gaithersburg, MD 20877-2164
Contact name:
Scott Hickman
Phone: 301 208-8100 193
Web: www.seracare.com
SeraCare BioServices provides molecular and cellular biology and repository support services to
the NIH and industry specializing in infectious disease diagnostic reagents and assays. These
services are also offered commercially to the Biopharmaceutical industry. Repository services
provide support for clinical trials and includes planning for specimen collections, specimen
processing, preservation, testing and shipment. Additional expertise includes HIV cultivation and
characterization, nucleic acid extraction, genotyping, virus subtyping, EBV transformation,
purification of plasma components and support of clinical trials programs. SeraCare BioServices
is a division of SeraCare Life sciences, Inc., which develops, manufactures and sells a broad
range of biological based materials and services essential for the manufacture of diagnostic tests,
commercial bioproduction of therapeutic drugs, and additional research applications in the
biotechnology, pharmaceutical, and diagnostic industries.
Excel Services Corporation
Rockville, MD 20852
Contact name:
Jefferson Hoffman
Phone: 301 984-4400
Web: www.excelservices.com
By focusing on resolving technical, safety, and regulatory issues, it is possible to help clients
attain the highest level of safety and performance in operations, and to achieve these goals in the
most cost effective manner.
This focus is central to the mission of Excel, a company whose major areas of service include
regulatory and licensing, management and consulting, engineering and technical, and training
and operations services.
The company works with the entire nuclear community to address key issues, many of which
pose cutting-edge challenges to the safety and competitive position of nuclear power in fastchanging
energy markets. Excel also supports the safety, environmental, and production goals of
the US DOE by providing key individuals to support the transition to a more cost-effective and
efficient defense complex that complies with new nuclear safety regulations. And, in doing so,
the company demonstrates to clients and regulators that these challenges can be met through
innovative analysis and management practices.
Excel professionals participate in and manage construction, start-up, operation, and regulatory
compliance activities, including those related to boiling water reactors, pressurized water
reactors, heavy water reactors, high temperature gas cooled reactors, commercial nuclear plants,
test and research reactors, and DOE facilities and projects.
Percival Scientific, Inc,