American Physical Society competitors and similar companiesClear all

SPIE's competitors and similar companies include ASTM International.
SPIE
SPIE
SPIE is a not-for-profit organization for optics and photonics.
ASTM International
ASTM International
ASTM International (formerly known as American Society For Testing and Materials) is a company that develops voluntary consensus standards.
Founding Date
Founding Date
1955
Founding Date
1898
Type
Type
Private
Type
Private
Tags
Locations
Locations
Bellingham, US HQ
Cardiff, GB
Locations
Conshohocken, US HQ
Bruxelles, BE
Ottawa, CA
Chaoyang Qu, CN
Cercado De Lima, PE
Washington, US
Employees
Employees
5381% increase
Employees
5501% decrease
Twitter followers
Twitter followers
15.5 k
Twitter followers
16.1 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
273
Number of tweets (last 30 days)
103
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
1.9
Average likes per tweet (last 30 days)
3.5
Percentage of tweets with engagement (last 30 days)
Percentage of tweets with engagement (last 30 days)
91.21%
Percentage of tweets with engagement (last 30 days)
95.15%
Employee Rating
Employee Rating
4.4
Employee Rating
3.9
For sources of this data, please see the company profile

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ASTM International
HQ
Conshohocken, US
Employees
550↓ 1% decrease

ASTM International (formerly known as American Society For Testing and Materials) is a company that develops voluntary consensus standards.

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