| 
               THREE
                MONTHS ENDED 
             | 
            
               SIX
                MONTHS ENDED 
             | 
            |||||||||||||||
| 
               Jun
                30, 2007 
             | 
            
               Jul
                1, 2006 
             | 
            
               Jun
                30, 2007 
             | 
            
               Jul
                1, 2006 
             | 
            |||||||||||||
| 
               Net
                sales 
             | 
            ||||||||||||||||
| 
               Specialty
                Chemicals Segment 
             | 
            $ | 
               11,619,000 
             | 
            $ | 
               12,545,000 
             | 
            $ | 
               24,063,000 
             | 
            $ | 
               25,433,000 
             | 
            ||||||||
| 
               Metals
                Segment 
             | 
            
               32,322,000 
             | 
            
               24,184,000 
             | 
            
               64,276,000 
             | 
            
               47,459,000 
             | 
            ||||||||||||
| $ | 
               43,941,000 
             | 
            $ | 
               36,729,000 
             | 
            $ | 
               88,339,000 
             | 
            $ | 
               72,892,000 
             | 
            |||||||||
| 
               Operating
                income 
             | 
            ||||||||||||||||
| 
               Specialty
                Chemicals Segment 
             | 
            
               527,000 
             | 
            
               787,000 
             | 
            
               1,134,000 
             | 
            
               1,588,000 
             | 
            ||||||||||||
| 
               Metals
                Segment 
             | 
            
               5,354,000 
             | 
            
               2,292,000 
             | 
            
               10,974,000 
             | 
            
               3,412,000 
             | 
            ||||||||||||
| 
               5,881,000 
             | 
            
               3,079,000 
             | 
            
               12,108,000 
             | 
            
               5,000,000 
             | 
            |||||||||||||
| 
               Unallocated
                expenses 
             | 
            ||||||||||||||||
| 
               Corporate 
             | 
            
               709,000 
             | 
            
               527,000 
             | 
            
               1,461,000 
             | 
            
               988,000 
             | 
            ||||||||||||
| 
               Plant
                relocation costs 
             | 
            
               - 
             | 
            
               - 
             | 
            
               - 
             | 
            
               213,000 
             | 
            ||||||||||||
| 
               Interest
                and debt expense 
             | 
            
               262,000 
             | 
            
               200,000 
             | 
            
               471,000 
             | 
            
               347,000 
             | 
            ||||||||||||
| 
               Other
                (income) expense 
             | 
            (1,000 | ) | 
               - 
             | 
            (2,000 | ) | (1,000 | ) | |||||||||
| 
               Income
                before income taxes 
             | 
            
               4,911,000 
             | 
            
               2,352,000 
             | 
            
               10,178,000 
             | 
            
               3,453,000 
             | 
            ||||||||||||
| 
               Provision
                for income taxes 
             | 
            
               1,715,000 
             | 
            
               854,000 
             | 
            
               3,457,000 
             | 
            
               1,257,000 
             | 
            ||||||||||||
| 
               Net
                income 
             | 
            $ | 
               3,196,000 
             | 
            $ | 
               1,498,000 
             | 
            $ | 
               6,721,000 
             | 
            $ | 
               2,196,000 
             | 
            ||||||||
| 
               Net
                income 
             | 
            ||||||||||||||||
| 
               Per
                basic common share 
             | 
            $ | 
               .51 
             | 
            $ | 
               .24 
             | 
            $ | 
               1.09 
             | 
            $ | 
               .36 
             | 
            ||||||||
| 
               Per
                diluted common share 
             | 
            $ | 
               .50 
             | 
            $ | 
               .24 
             | 
            $ | 
               1.06 
             | 
            $ | 
               .35 
             | 
            ||||||||
| 
               Average
                shares outstanding 
             | 
            ||||||||||||||||
| 
               Basic 
             | 
            
               6,210,877 
             | 
            
               6,122,679 
             | 
            
               6,186,793 
             | 
            
               6,115,834 
             | 
            ||||||||||||
| 
               Diluted 
             | 
            
               6,345,098 
             | 
            
               6,235,399 
             | 
            
               6,311,498 
             | 
            
               6,227,687 
             | 
            ||||||||||||
| 
               Backlog-Piping
                Systems & Process Equipment 
             | 
            $ | 
               62,200,000 
             | 
            $ | 
               22,100,000 
             | 
            ||||||||||||
| 
               Balance
                Sheet 
             | 
            
               Jun
                30, 2007 
             | 
            
               Dec
                30, 2006 
             | 
          ||||||||
| 
               Assets 
             | 
            ||||||||||
| 
               Cash
                and sundry current assets 
             | 
            
                $ 
             | 
            
                    2,602,000 
             | 
            
                $ 
             | 
            
                    2,122,000 
             | 
          ||||||
| 
               Accounts
                receivable, net 
             | 
            
                   22,375,000 
             | 
            
                   22,429,000 
             | 
          ||||||||
| 
               Inventories 
             | 
            
                   45,557,000 
             | 
            
                   41,545,000 
             | 
          ||||||||
| 
                 Total
                current assets 
             | 
            
                   70,534,000 
             | 
            
                   66,096,000 
             | 
          ||||||||
| 
               Property,
                plant and equipment, net 
             | 
            
                   19,788,000 
             | 
            
                   18,952,000 
             | 
          ||||||||
| 
               Other
                assets 
             | 
            
                    4,302,000 
             | 
            
                    4,309,000 
             | 
          ||||||||
| 
               Total
                assets 
             | 
            
                $ 
             | 
            
                   94,624,000 
             | 
            
                $ 
             | 
            
                   89,357,000 
             | 
          ||||||
| 
               Liabilities
                and shareholders' equity 
             | 
            ||||||||||
| 
               Current
                portion of long-term debt 
             | 
            
                $ 
             | 
            
                       467,000 
             | 
            
                $ 
             | 
            
                       467,000 
             | 
          ||||||
| 
               Accounts
                payable 
             | 
            
                   14,338,000 
             | 
            
                   11,776,000 
             | 
          ||||||||
| 
               Accrued
                expenses 
             | 
            
                    6,079,000 
             | 
            
                    7,469,000 
             | 
          ||||||||
| 
                 Total
                current liabilities 
             | 
            
                   20,884,000 
             | 
            
                   19,712,000 
             | 
          ||||||||
| 
               Long-term
                debt 
             | 
            
                   15,870,000 
             | 
            
                   17,731,000 
             | 
          ||||||||
| 
               Other
                long-term liabilities 
             | 
            
                    3,338,000 
             | 
            
                    4,787,000 
             | 
          ||||||||
| 
               Shareholders'
                equity 
             | 
            
                   54,532,000 
             | 
            
                   47,127,000 
             | 
          ||||||||
| 
               Total
                liabilities & shareholders' equity 
             | 
            
                $ 
             | 
            
                   94,624,000 
             | 
            
                $ 
             | 
            
                   89,357,000 
             | 
          ||||||