303rd Engineering Group
Corporate or Business Office1935 Arsenal St, Saint Louis, MO
Is GlaxoSmithKline legit? What we can confirm
GlaxoSmithKline is a pharmaceutical company at 320 S Broadway, St Louis, MO 63102.[1] It is reported open.[1] Its listed phone number is (314) 621-2304.[1]
Checkable facts with their sources, not a rating of quality or service. Updated July 22, 2026. See sources
Business check
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Listing source
Appears in Meta business page data.
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Operating status
Reported open in recent weekly status checks.
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Phone number
A valid US phone number is listed.
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Street address
A full street address with ZIP code is listed.
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Website
Not checked yet.
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Domain age
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Owner verified
Not yet claimed by the owner.
Sources
- Overture Maps Foundation places data. Release 2026-07-22, compiled from Meta. Name, category, address, phone, website and operating status. Data as of Jul 22, 2026.
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About GlaxoSmithKline
GlaxoSmithKline is a pharmaceutical company in St Louis, Missouri. The owner hasn't claimed this listing yet, so hours, photos and description aren't available.
- Category
- Pharmaceutical Company
- Address
- 320 S Broadway, St Louis, MO 63102
- Phone
- (314) 621-2304
- Website
- gsk.com
- Social
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