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  2. Sheet Metal and Air Conditioning Contractors' National ...

    en.wikipedia.org/wiki/Sheet_Metal_and_Air...

    The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil.

  3. List of labor unions in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_labor_unions_in...

    Professional association for registered nurses. ANA: International Alliance of Theatrical Stage Employees (IATSE) 1893 160,000 [citation needed] Non-performing entertainment workers in Theater, Motion Picture & Television, & Trade Shows IATSE: International Association of Sheet Metal, Air, Rail and Transportation Workers (IASMARTW) 1888 148,806 ...

  4. Sheet Metal Workers' International Association - Wikipedia

    en.wikipedia.org/wiki/Sheet_Metal_Workers...

    The Sheet Metal Workers' International Association (SMWIA) was a trade union of skilled metal workers who perform architectural sheet metal work, fabricate and install heating and air conditioning work, shipbuilding, appliance construction, heater and boiler construction, precision and specialty parts manufacture, and a variety of other jobs involving sheet metal.

  5. List of telephone country codes - Wikipedia

    en.wikipedia.org/.../List_of_telephone_country_codes

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  6. International Association of Sheet Metal, Air, Rail and ...

    en.wikipedia.org/wiki/International_Association...

    As national contractors gained prominence by the mid-20th century, that relationship changed with the times: With the rise of the Sheet Metal and Air Conditioning Contractors National Association – or SMACNA – in the 1940s, the national contractors group and the SMWIA agreed that "proper labor relations" would insure prosperity for all.

  7. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.

  8. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). If there is only 32.. followed by any other, shorter number, like 32 51 724859, this is the number of a normal phone, not a mobile. 46x: Join (discontinued mobile phone service provider) [3] 47x: Proximus (or other) 48x

  9. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    *74 and 1174 — speed dial, which allows someone to quickly dial any of eight frequently called numbers using a one-digit code, from any phone on their line *75 — allows a total of 30 speed-call numbers with two digits *77 — activates Anonymous Call Rejection Service *82 and 1182 — releases Caller ID block on a call-by-call basis