PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES 
                  FOR MARYLAND AND ITS JURISDICTIONS - 1997 *

                           Number    Number    Annual    Receipts/  Per Capita
                               of        of    Payroll     Revenue  Receipts/
GEOGRAPHIC AREA    Establishments Employees   ($1,000)    ($1,000)  Revenue ($)
------------------ -------------- ---------  ---------  ---------- ------------
MARYLAND                   14,115   146,814  6,483,841  15,940,200     3,130

BALTIMORE REGION            6,595    60,424  2,605,190   6,633,857     2,724
  Anne Arundel County       1,321     9,033    366,682   1,025,419     2,183
  Baltimore County          2,132    17,132    682,115   1,708,166     2,372
  Carroll County              289     1,073     27,537      67,428       459
  Harford County             408     2,608     90,478     237,524     1,118
  Howard County             1,050    15,883    772,090   1,950,287     8,519
  Baltimore City            1,395    14,695    666,288   1,645,033     2,502

SUBURBAN WASHINGTON REGION  6,127    76,030  3,517,082   8,480,539     4,760
  Frederick County            449     3,821    130,196     296,235     1,618
  Montgomery County         4,314    49,186  2,419,285   5,997,485     7,238
  Prince George's County    1,364    23,023    967,601   2,186,819     2,841

SOUTHERN MARYLAND REGION      416     5,735    227,797     495,616     1,836
  Calvert County              105       516     17,243      38,867       561
  Charles County              145       993     33,033      91,906       798
  St. Mary's County           166     4,226    177,521     364,843     4,271

WESTERN MARYLAND REGION       293     1,520     39,778      96,577       421
  Allegany County              94       515     13,877      25,489       351
  Garrett County               36       151      3,172       7,611       259
  Washington County           163       854     22,729      63,477       499

UPPER EASTERN SHORE REGION    352     1,612     51,094     122,651       611
  Caroline County              21        70      1,003       2,675        91
  Cecil County                109       363      9,654      27,255       338
  Kent County                  39       284      4,319      13,078       689
  Queen Anne's County          71       291      8,472      20,705       531
  Talbot County               112       604     27,646      58,938     1,801

LOWER EASTERN SHORE REGION    332     1,493     42,900     110,960       632
  Dorchester County            42       126      3,117       7,340       246
  Somerset County              18        81      1,814       4,039       165
  Wicomico County             169       967     29,244      76,463       967
  Worcester County            103       319      8,725      23,118       549

Source: 1997 Economic Census, U.S. Census Bureau.

* Excludes data for firms exempt from federal income tax.

Prepared by the Maryland Department of Planning, Planning Data Services