The phrase "array of customers" is correct and usable in written English.
You can use it to refer to a group of customers in a variety of contexts. For example, you might say "The store had an array of customers from all over the world."
The group is collecting documents from a wide array of customers.
The lenders, facing more competition and a dwindling refinancing market because of higher interest rates, see zero-down loans as a way to attract a broader array of customers.
Shellshock was initially compared to the "Heartbleed" bug reported in April, a web encryption flaw which went unnoticed for more than two years and could have given hackers access to an unlimited array of customers' secure data.
In the meat industry, few companies loom larger than Smithfield, an empire whose operations extend from raising pigs to processing them into ham and pork for an array of customers.
Moreover, a broad array of customers, governments, and creditors now shared Kennecott's concerns about future political changes in Chile and were highly skeptical of Chile's capacity to run the mine efficiently over time.
The diner, which Mrs. Aposporos and her sister, both former waitresses, bought in 1976 from the original owner, Herluf Svenningsen, known as Curley, has long attracted an array of customers who find it indispensable for its inexpensive food, homey atmosphere and the taste of a forgotten Stamford.
Like the new Nordstrom and Saks stores, Holt Renfrew's two stores there are filled with artwork, a dizzying array of customer services and products with often-dizzying prices.
Variability and small lot size is a common feature for many discrete manufacturing processes designed to meet a wide array of customer needs.
The company found that potential deals often stalled early on because a typically diverse array of customer stakeholders, from CTOs to R&D leaders to design and production managers all with differing or even conflicting priorities disagreed on the urgency of upgrading outdated equipment.
Perhaps more interestingly, Salesforce created an open ecosystem inviting 3rd party developers to address the wide array of customer requirements for particular job functions and industries.
The modern day merchant must have an intimate understanding of the importance of online and mobile commerce, access to a vast array of customer data, and a strategy for transforming this analytical data into winning online experiences.
