Abbrevations in Business Writing

Some commonly used abbreviations in business writing are: 
Addresses                                                                 
St.     Street     Dr.      Drive                     
Ave. Avenue   Sq.     Square                    
Rd.   Road      Hwy. Highway                 
Pl.     Place     Blvd. Boulevard                                       

Business enterprises
LTD. Limited           Corp. Corporation          CO. Company         Inc. Incorporated

Addressees                                                                        
Mr. Mister                 Messrs. plural of Mister                               
Mrs. Mistress            Dr. Doctor
Ms. Miss or Mrs.       Prof. Professor                                       

Days 
Mon. Monday      Thurs.Thursday      Sat. Saturday 
Tues. Tuesday       Fri. Friday              Sun. Sunday 
Wed. Wednesday
  
Months
Jan. January, Feb. February, Mar. March, Apr. April,  Aug. August,
Sept. September, Oct. October , Nov. November, Dec. December 

Others
N    North   S    South    E    East   W West

 a.m. Ext. encl. p.m. Attn. Tel