As part of its strategy to expand...

As part of its strategy to expand into the international market, Summit Health Ltd., Studio City, said it has entered into a $32-million contract to manage five hospitals in Saudi Arabia for the Saudi Ministry of Health. The company operates 59 facilities in California, Arizona, Colorado, Iowa and Texas.

Los Angeles-based Reliance Steel & Aluminum Co. has acquired the laminations business of Arnold Engineering Co. of Fullerton, a unit of Allegheny International Inc. The purchase was for more than $1 million in cash, the company said.

The new Reliance subsidiary, to be named Arnold Technologies Inc., will move to an undisclosed location in the Los Angeles area.

Birtcher Corp., El Monte, said the Tokyo firm of San-ei Cardio Sales Co. Ltd. has agreed to distribute Birtcher’s electrosurgery products in Japan. Terms were not disclosed. The deal is pending Japanese government permission for Birtcher to export its products.

Electronic Memories & Magnetics Corp., Encino, said it has acquired a 45% interest in Computing Applications Software Technology Inc. of Los Alamitos. Financial terms were not disclosed. However, three EMM officers will be added to Computing Application’s board, and EMM will boost its stake to 59% over the next three years, with an option to buy 100%.

Whittaker Corp., a Los Angeles-based firm with interest in health care, technical products and specialty chemicals, has acquired Salem, Ore.-based Norris Paint Co. Terms weren’t disclosed. Norris manufactures special chemical coatings used for highway traffic markings and other public-works applications.

El Segundo-based Wyle Laboratories Inc. will acquire Applied Research Inc., Los Angeles, for an undisclosed amount of stock. Applied Research, which had $5 million in sales in 1984, is an engineering and management-services company for the defense, aerospace and energy industries. The deal is scheduled to close by the end of March.

CALIFORNIA

Hewlett-Packard Co. has selected the Massachusetts Institute of Technology as the first participant in a $50-million program to develop and apply artificial-intelligence technology--the branch of computer science that seeks to give computers human-like reasoning and perception abilities.

Under the three-year program, 12 U.S. universities will receive sophisticated computers, memory and software, “the extremely powerful tools needed to apply and advance AI concepts and technologies,” the company said.

Imatron Inc., South San Francisco, said it has received deposits and letters of intent for $4 million worth of orders for three high-speed computed tomography scanners, which are diagnostic devices used primarily in cardiac medicine.