PBSV · Pharma-Bio Serv, Inc. · Investor Relations

4 customers — 55.8% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, aggregate revenues from these global group of affiliated companies were 18.6%, 17.9%, 13.8% and 5.5%, or a total of 55.8%”

4 customers — 53.6% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, aggregate revenues from these global groups of affiliated companies were 23.8%, 22.8%, 6.4% and 0.6%, or a total of 53.6%”

4 customers — 52.6% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, revenues from these customers were 18.6%, 14.7%, 13.8% and 5.5%, or a total of 52.6%”

4 customers — 49.1% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, revenues from these customers were 23.8%, 18.3%, 6.4% and 0.6%, or a total of 49.1%”

One customer — 23.8% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, revenues from these customers were 23.8%, 18.3%, 6.4% and 0.6%, or a total of 49.1%”

One customer — 23.8% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, aggregate revenues from these global groups of affiliated companies were 23.8%, 22.8%, 6.4% and 0.6%, or a total of 53.6%”

One customer — 22.8% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, aggregate revenues from these global groups of affiliated companies were 23.8%, 22.8%, 6.4% and 0.6%, or a total of 53.6%”

One customer — 18.6% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, revenues from these customers were 18.6%, 14.7%, 13.8% and 5.5%, or a total of 52.6%”

One customer — 18.6% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, aggregate revenues from these global group of affiliated companies were 18.6%, 17.9%, 13.8% and 5.5%, or a total of 55.8%”

One customer — 18.3% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, revenues from these customers were 23.8%, 18.3%, 6.4% and 0.6%, or a total of 49.1%”

One customer — 17.9% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, aggregate revenues from these global group of affiliated companies were 18.6%, 17.9%, 13.8% and 5.5%, or a total of 55.8%”

One customer — 14.7% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, revenues from these customers were 18.6%, 14.7%, 13.8% and 5.5%, or a total of 52.6%”

One customer — 13.8% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, revenues from these customers were 18.6%, 14.7%, 13.8% and 5.5%, or a total of 52.6%”

One customer — 13.8% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, aggregate revenues from these global group of affiliated companies were 18.6%, 17.9%, 13.8% and 5.5%, or a total of 55.8%”

One customer — 6.4% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, aggregate revenues from these global groups of affiliated companies were 23.8%, 22.8%, 6.4% and 0.6%, or a total of 53.6%”

One customer — 6.4% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, revenues from these customers were 23.8%, 18.3%, 6.4% and 0.6%, or a total of 49.1%”

One customer — 5.5% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, aggregate revenues from these global group of affiliated companies were 18.6%, 17.9%, 13.8% and 5.5%, or a total of 55.8%”

One customer — 5.5% of revenue (the nine months ended July 31, 2026)

“During the nine months ended July 31, 2026, revenues from these customers were 18.6%, 14.7%, 13.8% and 5.5%, or a total of 52.6%”

One customer — 0.6% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, aggregate revenues from these global groups of affiliated companies were 23.8%, 22.8%, 6.4% and 0.6%, or a total of 53.6%”

One customer — 0.6% of revenue (the three months ended July 31, 2026)

“During the three months ended July 31, 2026, revenues from these customers were 23.8%, 18.3%, 6.4% and 0.6%, or a total of 49.1%”

4 customers — 44.5% of receivables (July 31, 2026)

“On July 31, 2026, amounts due from these customers represented 44.5% of the Company's total accounts receivable balance.”